unisntalling wamp completely

how can i remove wamp completley from my system. i have tried un installing it from control panel,,i tried multiple times and reinstalled it,,,but it gives same error,,,it means its not completely removed,,,how can i get rid of this?

how can i remove wamp completley from my system. i have tried un installing it from control panel,,i tried multiple times and reinstalled it,,,but it gives same error,,,it means its not completely removed,,,how can i get rid of this?